Upright piano



FIG. 1 is a perspective view of an upright piano showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines and dash-dot lines are included for the purpose of illustrating portions of the upright piano and form no part of the claimed design. 

CLAIM The ornamental design for an upright piano, as shown and described. 